Top picture: M 55 by @andeswatcher

Globular cluster · Sagittarius

M 55

Also known as NGC 6809

Shot with Odyssey ×1 · Seestar S50 ×1

• Messier 55→

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Type

Globular cluster

Constellation

Sagittarius

Position (J2000)

19h 39m 59s · −30° 57′ 44″

Discovered

by Nicolas Louis de Lacaille in 1752

Pictures

2

Typical integration

1.4 h

Magnitude

6.49

visual

Size

12′

Distance

~17,000 ly

Best months

Jun–Aug

Catalogue data from OpenNGC by Mattia Verga, CC BY-SA 4.0. Distances, discoverers and common names from Wikidata, CC0.